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  2. Health and environmental impact of the petroleum industry

    en.wikipedia.org/wiki/Health_and_environmental...

    Petroleum is a complex mixture of many components . These components include straight chained, branched, cyclic, monocyclic aromatic and polycyclic aromatic hydrocarbons. The toxicity of oils can be understood using the toxic potential or the toxicity of each individual component of oil at the water solubility of that component. [23]

  3. Oil spill - Wikipedia

    en.wikipedia.org/wiki/Oil_spill

    An oil spill is the release of a liquid petroleum hydrocarbon into the environment, especially the marine ecosystem, due to human activity, and is a form of pollution.The term is usually given to marine oil spills, where oil is released into the ocean or coastal waters, but spills may also occur on land.

  4. Tar - Wikipedia

    en.wikipedia.org/wiki/Tar

    Tar made from coal or petroleum is considered toxic and carcinogenic because of its high benzene content, [citation needed] though coal tar in low concentrations is used as a topical medicine for conditions such as psoriasis. [11] [12] Coal and petroleum tar has a pungent odor. Coal tar is listed at number 1999 in the United Nations list of ...

  5. Petroleum asphalt remains in Yellowstone River, even after ...

    www.aol.com/news/petroleum-asphalt-remains...

    It emits chemicals toxic to humans and the environment at a slower rate, but also breaks down slowly and can have a more lasting impact, said University of Houston petroleum chemist Ramanan ...

  6. Toxic gas in Louisiana air far exceeds safe levels, EPA ... - AOL

    www.aol.com/news/toxic-gas-louisiana-air-far...

    The toxic gas ethylene oxide (EtO) is detectable in southeastern Louisiana at levels a thousand times higher than what is considered safe, according to a new study. EtO emissions largely come from ...

  7. Sour crude oil - Wikipedia

    en.wikipedia.org/wiki/Sour_crude_oil

    Sour oil can be toxic and corrosive, especially when the oil contains higher levels of hydrogen sulfide, which is a breathing hazard. At low concentrations the gas gives the oil the smell of rotting eggs.

  8. Gasoline - Wikipedia

    en.wikipedia.org/wiki/Gasoline

    The so-called Otto engines were developed in Germany during the last quarter of the 19th century. The fuel for these early engines was a relatively volatile hydrocarbon obtained from coal gas . With a boiling point near 85 °C (185 °F) ( n -octane boils at 125.62 °C (258.12 °F) [ 4 ] ), it was well-suited for early carburetors (evaporators).

  9. Is canola oil toxic? Dietitians share safest way to use it ...

    www.aol.com/canola-oil-toxic-dietitians-share...

    Bottom line: No, canola oil isn't toxic, but whether or not it's bad for you as an individual depends on a lot of factors, Taub-Dix says, for example your current health and what else you're eating.